<template>
    <div>
        <city-header></city-header> 
        <city-search></city-search>
        <city-list :cities="cities" :hotCities="hotCities" :letter="letter"></city-list>
        <city-alphabet :ct="cities"
            @change="handleLetterChange" 
        ></city-alphabet>
    </div>
</template>
<script>
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
import axios from 'axios'
export default {
    name:'City',
    components: {
       CityHeader,
       CitySearch,
       CityList,
       CityAlphabet
    },
    data () {
        return {
            cities: {},
            hotCities:[ ],
            letter:''
        }
    },
    methods: {
        getCityInfo () {
            axios.get('/api/city.json')
            .then(this.getCityInfoSucc)
        },
        getCityInfoSucc(res) {
            res = res.data
            if (res.ret && res.dt){
                const data = res.dt
                this.cities = data.cities
                this.hotCities = data.hotCities
                
            }
        },
        handleLetterChange (letter) {
            this.letter = letter
        }
    },
    mounted () {
        this.getCityInfo()
    }

}
</script>
<style lang="stylus" scoped>
</style>